<%@ page import="java.io.*,java.util.*, javax.servlet.*" %>
<%@ page import="javax.servlet.http.*" %>
<%@ page import="org.apache.commons.fileupload.*" %>
<%@ page import="org.apache.commons.fileupload.disk.*" %>
<%@ page import="org.apache.commons.fileupload.servlet.*" %>
<%@ page import="org.apache.commons.io.output.*" %>
<%
    File file;
    int maxFileSize = 5000 * 1024;
    int maxMemSize = 5000 * 1024;
    ServletContext context = pageContext.getServletContext();
    String filePath = "/efarm/pic/";
    // Verify the content type
    String contentType = request.getContentType();
    if ((contentType.indexOf("multipart/form-data") >= 0)) {
        DiskFileItemFactory factory = new DiskFileItemFactory();
        // maximum size that will be stored in memory
        factory.setSizeThreshold(maxMemSize);
        // Location to save data that is larger than maxMemSize.
        factory.setRepository(new File("/efarm/pic"));
        // Create a new file upload handler
        ServletFileUpload upload = new ServletFileUpload(factory);
        // maximum file size to be uploaded.
        upload.setSizeMax(maxFileSize);
        try {
            // Parse the request to get file items.
            List fileItems = upload.parseRequest(request);
            // Process the uploaded file items
            Iterator i = fileItems.iterator();
            out.println("<html>");
            out.println("<head>");
            out.println("<title>JSP File upload</title>");
            out.println("</head>");
            out.println("<body>");
            while (i.hasNext()) {
                FileItem fi = (FileItem) i.next();
                if (!fi.isFormField()) {
                    // Get the uploaded file parameters
                    String fieldName = fi.getFieldName();
                    String fileName = fi.getName();
                    boolean isInMemory = fi.isInMemory();
                    long sizeInBytes = fi.getSize();
                    // Write the file
                    if (fileName.lastIndexOf("\\") >= 0) {
                        file = new File(filePath +
                                fileName.substring(fileName.lastIndexOf("\\")));
                    } else {
                        file = new File(filePath +
                                fileName.substring(fileName.lastIndexOf("\\") + 1));
                    }
                    fi.write(file);
                    out.println("Uploaded Filename: " + filePath +
                            fileName + "<br>");
                }
            }
            out.println("</body>");
            out.println("</html>");
        } catch (Exception ex) {
            out.println(ex);
        }
    } else {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet upload</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<p>No file uploaded</p>");
        out.println("</body>");
        out.println("</html>");
    }
%>
